From help-request at octave dot org Fri Jan 21 08:16:45 2005 Subject: Re: Very slow filter.cc From: Miroslaw Kwasniak To: help at octave dot org Date: Fri, 21 Jan 2005 15:20:52 +0100 On Wed, Jan 19, 2005 at 09:45:37AM +0100, David Bateman wrote: > > t = cputime; y = filter(b,1,x); cputime - t > > rather than using tic/toc and see if there is better consistency between > 2.0.17 and the 2.1.x versions... $ sh run.sh OCTAVE_VERSION = 2.0.17 ans = 2.0600 OCTAVE_VERSION = 2.1.50 ans = 15.380 OCTAVE_VERSION = 2.1.57 ans = 15.690 OCTAVE_VERSION = 2.1.63 ans = 14.060 2.1.63 is a little better because it's compiled for 686 - rest are debian 386 packages. > If the problem remains, the next step woul dbe to profile the two > versions of octave to figure out what is taking the time. Though that is > likely to take a lot of effort... I tried with LD_PROFILE but octave has PROF signal disabled :( I would supprised if 2.0 is compilable with current tools. Mirek ------------------------------------------------------------- Octave is freely available under the terms of the GNU GPL. Octave's home on the web: http://www.octave.org How to fund new projects: http://www.octave.org/funding.html Subscription information: http://www.octave.org/archive.html -------------------------------------------------------------